Question about 2007 Ford Escape
Does the engine turn over fast or is it sluggish? Headlights bright or dim? If engine turns over sluggish and headlights are dim, I'd suspect a defective/discharged battery or possibly a charging problem causing the battery problem. Start by making sure the battery cable terminals at the battery posts are clean and tight.
Put a voltmeter across the battery posts with the engine off, you should measure 12.8 volts if the battery is fully charged. Less voltage and the battery is not fully charged. When you try to start the engine, the battery voltage will drop momentarily when the starter is engaged. I would not be surprised to see the voltage to drop to 8-9 volts when the starter is engaged and the engine turning over. If it drops to a lower voltage, I would suspect a battery problem. The "service emmisions" light I would expect to be a secondary indication and resolve itself once the engine starting problem is resolved.
Posted on Nov 04, 2012
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Posted on Jan 02, 2017
Ok, there are many issues here that you will need to inspect. I recommend changing the fuel filter and pump as well. this will fix the hesitation. the intake and exhaust manifold gaskets will need to be replaced as well. this will stop the backfiring.
I also recommend checking and running a teat on the PCV valve and inspect the PCV hose as well. it could have a leak or a small crack on it.
Check the air filter and change if needed. this will help with acceleration issues as well. Next, i would run a check on all plugs and the complete wire set as well. change if needed.
Inspect the injectors for leaks and lose wires. make sure they are in good condition. replace any injectors that isn't firing properly.
Ok, there are some sensors that you will need to check as well. i will list them below.
SENSOR CHECK LIST--
1. Check the O2 sensors for worn wires.
2. Check the MAFS(Mas Air Flow Sensors) Check for Damaged, Loose, or Faulty Mass Air Flow Sensor or Circuit.
3. Check the Air Cleaner Temperature Sensor. this sensor could be damaged ro have loose wires. check accordingly.
4. Check the Throttle Position Sensor. this device could be connected wrong or it may be faulty as well. replace if needed.
Be sure and inspect all the above and repair any problem spot you ruin across during your inspection.
Please rate and god bless:)
Posted on May 06, 2009
You might want to try "google images" just type in your vehicle and what your looking for. Here's an example (link) of what to look for.
Posted on Oct 25, 2009
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